Home / 5,400.11-7,451.85-3,042.09

Finding the Fourth Proportional to 5,400.11, 7,451.85 and 3,042.09

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Solution

The fourth proportional to 5,400.11, 7,451.85 and 3,042.09 is: 4,197.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.11 : 7,451.85 = 3,042.09 : x
  2. Step 2: Convert to fraction form
    5,400.11/7,451.85 = 3,042.09/x
  3. Step 3: Cross multiply
    5,400.11x = 7,451.85 × 3,042.09
  4. Step 4: Simplify right side
    5,400.11x = 22,669,198.37
  5. Step 5: Solve for x
    x = 22,669,198.37/5,400.11
  6. Step 6: Final answer
    x = 4,197.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.